APA (7th ed.) Citation

Fosberg, F. R. (1961). A classification of vegetation general puroses ([Sonderdr.].).

Chicago Style (17th ed.) Citation

Fosberg, F. Raymond. A Classification of Vegetation General Puroses. [Sonderdr.]. 1961.

MLA (9th ed.) Citation

Fosberg, F. Raymond. A Classification of Vegetation General Puroses. [Sonderdr.]. 1961.

Warning: These citations may not always be 100% accurate.